SWOMCD
SPC MCD 031925
MSZ000-ARZ000-LAZ000-032100-
MESOSCALE DISCUSSION 0331
NWS STORM PREDICTION CENTER NORMAN OK
0125 PM CST MON MAR 03 2008
AREAS AFFECTED...ERN LA...SE AR AND WRN MS
CONCERNING...SEVERE THUNDERSTORM WATCH 91...
VALID 031925Z - 032100Z
THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 91
CONTINUES.
A SEVERE THREAT WILL CONTINUE ACROSS WW 91 GRADUALLY SPREADING EWD
ACROSS ERN LA INTO WRN MS BY LATE THIS AFTERNOON. A TORNADO THREAT
ALONG WITH WIND DAMAGE AND HAIL WILL BE POSSIBLE WITH THE BETTER
ORGANIZED CELLS. A NEW WW WILL LIKELY BE NECESSARY OVER THE NEXT 1
TO 2 HOURS.
LATEST SFC ANALYSIS SHOWS A DEEPENING 1003 MB SFC LOW IN SRN AR WITH
A COLD FRONT EXTENDING SSWWD ACROSS NW LA INTO SE TX. SFC DEWPOINTS
ARE INCREASING EAST OF THE BOUNDARY AND MID TO UPPER 60S F ARE
PRESENT AS FAR NORTH AS INTERSTATE 20 IN NRN LA. OBJECTIVE ANALYSIS
SUGGESTS THE AIRMASS HAS BECOME MODERATELY UNSTABLE ALONG THE MOIST
AXIS IN CNTRL LA AND THIS MAY ALLOW STORMS TO BECOME INCREASINGLY
ORGANIZED THROUGH LATE THIS AFTERNOON. THE MOIST AXIS AND ASSOCIATED
50 TO 60 KT LOW-LEVEL JET IS FORECAST TO SHIFT EWD INTO MS LATE THIS
AFTERNOON INCREASING THE SEVERE POTENTIAL EAST OF WW 91. STRONG
LOW-LEVEL SHEAR PROFILES EVIDENT ON THE JACKSON MS WSR-88D VWP
SUGGESTS A FEW TORNADOES AND WIND DAMAGE WILL BE POSSIBLE WITH THE
STRONGER CELLS EMBEDDED IN THE LINE. THE TORNADO THREAT SHOULD BE
GREATEST WITH SUPERCELLS THAT REMAIN DISCRETE AHEAD OF THE LINE.
.BROYLES.. 03/03/2008
..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...MEG...JAN...LIX...LZK...LCH...SHV...
30399124 30309222 31119325 31929309 33319212 33999132
34199082 33969005 33268940 32318965 31449035
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